Photo 1 of HOLKIE Leveling Stem Casters Set of 4 Heavy Duty Retractable Caster Wheels, 1/2" and M12 Stem Size, Total Capacity 2200 Lbs, Adjustable Wheel with Ratchet Handle for Workbench, Machine, Equipment

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Photo 1 of HOLKIE Leveling Stem Casters Set of 4 Heavy Duty Retractable Caster Wheels, 1/2" and M12 Stem Size, Total Capacity 2200 Lbs, Adjustable Wheel with Ratchet Handle for Workbench, Machine, Equipment